Mack E7 6 Cylinder Diesel 427 hp Engine, Manual Transmission, 12000 lb Front Axle, 38000 lb Rears, 50000.0 lb GVWR, Air Ride Cab, Aluminum Front Wheels, 285/75R24.5 Front Tires, 11R24.5 Rear Tires, Air Ride Suspension, 201 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks